package edu.sctu.demo;

import javax.servlet.*;
import javax.xml.crypto.dsig.spec.XPathType;
import java.io.IOException;


public  class DemoOneFilter implements  Filter {


    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest,
                         ServletResponse servletResponse,
                         FilterChain filterChain) throws IOException, ServletException {

        System.out.println("这是第一个过滤器！");
        filterChain.doFilter(servletRequest, servletResponse);

    }

    @Override
    public void destroy() {

    }
}
